package com.google.code.mochaccino.framework.dbtool.liquibase;
/*
 * Copyright 2012 Claude Houle claude.houle@gmail.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.sql.Connection;
import java.sql.SQLException;
import javax.sql.DataSource;
import liquibase.database.Database;
import liquibase.database.DatabaseFactory;
import liquibase.database.jvm.JdbcConnection;

public class LiquibaseProviderDS implements LiquibaseProvider {
	private DataSource dataSource;
	private Database   db;

	public LiquibaseProviderDS( DataSource dataSource ) {
		this.dataSource = dataSource;
	}

	@Override
	public void destroy() throws Exception {
		if ( db != null ) {
			db.close();
		}
	}

	@Override
	public Database getDatabase()  {
		return db;
	}

	public void initialize() throws Exception {
		db = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(  new JdbcConnection(getConnection()) );
	}

	protected Connection getConnection() throws SQLException {
		return dataSource.getConnection();
	}
}
